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[Bug tree-optimization/82255] Vectorizer cost model overcounts cost of some vectorized loads
- From: "wschmidt at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 21 Sep 2017 14:42:59 +0000
- Subject: [Bug tree-optimization/82255] Vectorizer cost model overcounts cost of some vectorized loads
- Auto-submitted: auto-generated
- References: <bug-82255-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82255
--- Comment #4 from Bill Schmidt <wschmidt at gcc dot gnu.org> ---
Created attachment 42217
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42217&action=edit
Test case patch
Here's a test case (and some associated changes to add debug code for the test
case) that can be used to verify a fix.